8th. European Meeting of the IOBC/WPRS Working Group "Insect Pathogens and Insect Parasitic Nematodes" in cooperation with COST 842 "Biological Control of Pest Insects and Mites, with Special Reference to Entomophthorales", Athens, Yunanistan, 29 Mayıs - 02 Haziran 2001, ss.1